Search for: [Subject and Keywords = underwater communication] OR [Subject and Keywords = multipath channels] OR [Subject and Keywords = Doppler shift] OR [Subject and Keywords = Doppler measurement] OR [Subject and Keywords = MBFSK] OR [Title = Doppler shift determination methods dedicated to MBFSK modulation] OR [Creator = Czapiewska, Agnieszka] OR [Creator = Łuksza, Andrzej] OR [Creator = Schmidt, Jan H.] OR [Creator = Studański, Ryszard] OR [Creator = Wojewódka, Łukasz] OR [Creator = Żak, Andrzej]